请英语达人帮我翻译一下这几句话，要书面语一点

Xx, female, in September 2004 to the end of June 2007 studying in our school high school students, whose high school academic performance three years are as follows
2. Hereby certify that
3. Senior one/senior 2/senior 3
4. The first semester, second semester
5. Graduate Certificate of Education Examination

1、xx，a girl who was educated in our school of high school part from 2004-9 to 2007-6.
Her marks during these three years are below:
2、I hereby certify that ...
3、senior 大学四年级学生；高中三年级学生
junior 大学三年级学生；高中二年级学生
sophomore 大学二年级学生；高中一年级学生
4、the first term
the second term
5、高中毕业会考(Abitur)

1. Xx,Girl September 2004 to the end of June 2007 our school high school students, whose high school academic performance three years are as follows
2. Hereby certify that
3. High one, Gao, homoharringtonine
4. The first semester, second semester
5. Graduate Certificate of Education Examina